Home / 211,343,234.40-317,014,851.60-133,859,136.60

Finding the Fourth Proportional to 211,343,234.40, 317,014,851.60 and 133,859,136.60

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Solution

The fourth proportional to 211,343,234.40, 317,014,851.60 and 133,859,136.60 is: 200,788,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,343,234.40 : 317,014,851.60 = 133,859,136.60 : x
  2. Step 2: Convert to fraction form
    211,343,234.40/317,014,851.60 = 133,859,136.60/x
  3. Step 3: Cross multiply
    211,343,234.40x = 317,014,851.60 × 133,859,136.60
  4. Step 4: Simplify right side
    211,343,234.40x = 42,435,334,324,553,128
  5. Step 5: Solve for x
    x = 42,435,334,324,553,128/211,343,234.40
  6. Step 6: Final answer
    x = 200,788,704.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.